After living living her life until she was old and grey. Poison expert Lihua Lei died peacefully at an old age, surrounded by those she love. Expecting to rest in peace in the afterlife, Lihua Lei finds herself not in heaven, but instead her soul transmigrated into the body of a young 18 year old who died full of hatred and regret. The young girl's name is also Lihua Lei. She is the neglected legitimate daughter of the Prime Minister. Having been betrayed by her half sisters, Lihua finds herself poisoned, kidnapped and left for dead inside a cave for the animals to feast on her dead corpse. Lihua swore a death oath for revenge and found another soul replace her's as her soul starts to fade. "In exchange for giving me your body and letting me live a second life. This grandma promises to fulfill your last wish and take revenge on those who wronged you. To the littlest disagreement to the biggest betrayal, this grandma promises to pay them back tenfold so your soul can rest in peace." Grandma Lihua promised the young Lihua. "This grandma has already lived a life full of hardship and knows the sweet taste of peace, so this grandma isn't afraid to let them know what Lihua Lei's true colors are! This old grandma will show them not to mess with Lihua Lei!"

Akari Ayame lived 99 lives. 99 lives as the same person, life events and the same fate. Her death at the hands of her love rival and unrequited love. No matter how many different paths she took, in the end, her death was the same. 99 reincarnations. 99 trials to seek her happy ending. 99 tribulations of sorrow, anger and regret. 99 heartbreaks. 99 deaths. In the end Akari was tired of trying. She thought that the reason why she kept reincarnating was to find her happy ending with the man she loved. But with 99 fails, she was tired of the same fate. This time, her 100th time, she would be the matchmaker for her love rival and unrequited love. She will no longer block their love and try to live her life without sorrow, anger, regrets or heartbreak. With the fickle Gods of Fate, how would Akari know that it would only take 100 tries for her to find her happy ending.